You'll probably want to add a constructor parameter to the options form.



>I use vb.net and datagridview.
>I want to check the DataGridView.SelectedRows in main form first, then user will leave the DataGridView,
>i will store the rows index in array and pass to option form. After user chick the option form (OptionForm.show) and do something.
>
>But i also some of technology problem. I don't know how can pass an array to other form store it and define a unknow array to pass , store.
>The below is not finish code.
>Anyone can give some of idea to me.....Thank you~~~
>
>
>Public Class MainForm
> Public tempRowArray As ArrayList
>
> Private Sub AccessrightDataGridView_Leave(ByVal sender As Object, ByVal e As System.EventArgs) Handles AccessrightDataGridView.Leave
> tempRowArray = New ArrayList
> tempRowArray.Clear()
> For Each r As DataGridViewRow In AccessrightDataGridView.SelectedRows
> tempRowArray.Add(r.Index)
> Next
>
> OptionForm.AccessRightPassRowNo = tempRowArray.Count ' (error)my problem in this, i don't know how to pass the unknow array number in right method
> OptionForm.AccessRightPassRowArray = tempRowArray '(error)my problem in this
> End Sub
>
> Private Sub BtnBatch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnBatch.Click
> OptionForm.Show()
> End Sub
>---------------------------------------------------------------------------------------------------------------------------------------------------
>Public Class OptionForm
> Dim AccessRightPassRowsCount As Integer ' (error)my problem in this, i don't know how to define the unknow array number in right method
> Dim AccessRightPassRows() As String ' (error)my problem in this
>
>
> Private Sub BtnGrant_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnGrant.Click
> updateDatagridviewRecords()
> End Sub
>
> Public Sub updateDatagridviewRecords()
> ' For i = 0 To tempRowArray .Count - 1
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(4).Value = CheckBoxCanass.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(5).Value = CheckBoxCannew.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(6).Value = CheckBoxcanmdy.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(7).Value = CheckBoxcandel.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(8).Value = CheckBoxcanprn.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(9).Value = CheckBoxcanhld.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(10).Value = CheckBoxcanuhd.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(11).Value = CheckBoxviewcost.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(12).Value = CheckBoxViewprice.Checked
> ' MainForm.AccessrightDataGridView.Rows(tempRowArray (i)).Cells(13).Value = CheckBoxCanexp.Checked
> 'Next
> End Sub
>
> Public Property AccessRightPassRowNo() As Integer ' (error)my problem in this, i don't know how to pass and store the unknow array number in right method
> Get ' (error)
> Return Me.AccessRightPassRowsCount ' (error)
> End Get ' (error)
> Set(ByVal value As Integer) ' (error)
> Me.AccessRightPassRowsCount = value ' (error)
> End Set ' (error)
> End Property ' (error)
>
> Public Property AccessRightPassRowArray() As String ' (error)
> Get ' (error)
> Return Me.AccessRightPassRows ' (error)
> End Get ' (error)
> Set(ByVal value(AccessRightPassRowsCount) As String) ' (error)
> Me.AccessRightPassRows = value() ' (error)
> End Set ' (error)
> End Property ' (error)
>End Class